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SEDOL Masterfile™


The London Stock Exchange is the UK representative of the Association of National Numbering Agencies (ANNA), and allocates UK ISINs combined with global SEDOL codes. Through our enhanced SEDOL Masterfile service we provide customers with comprehensive reference data and corporate actions solutions.

Helping to meet global security identification challenges

A unique, market-level, global security identifier increases STP efficiencies and decreases the costs of cross-border trade failure. Having undertaken extensive industry consultation we believe the real-time allocation mechanism, combined with greater coverage of instruments and additional identification, will lead to a reduction in trade failure and streamlining of manual processes.

 

The enhancements to the SEDOL code mean that the SEDOL Masterfile service is the only solution that currently meets three key industry criteria tests as considered by the Reference Data User Group (RDUG) and the Reference Data Coalition (REDAC) paper “In search of Unique Instrument Identifer” June 2003.

 

Uniqueness - SEDOL codes issued with additional identification data including the global ISIN code and Market Identifier Code (MIC).


Timeliness - SEDOL codes allocated in real-time via a 24/7 web browser, with bespoke interface offered for high volume requests. In addition, SEDOL Masterfile reference data is delivered to direct subscribers intra-day.

 

Commonality - SEDOL codes issued for every listed equity and every fixed-income instrument with further allocations to different instrument types planned ensuring widespread access to a consistent security identifier code.

 

For further information about our award winning SEDOL Masterfile service please contact the SEDOL Masterfile Helpdesk on +44 (0) 207 797 3009 (STX 33009) alternatively email sedol@londonstockexchange.com

Licensed customers who require access to the SEDOL Masterfile database, please email the SEDOL Customer Account Executive team at smfnewissues@londonstockexchange.com


For any queries regarding data within the SEDOL Masterfile database, please contact our analysts at the following email address: smfdb@londonstockexchange.com

Latest development: SEDOL Masterfile migrating to the UnaVista platform

From September 2008 the SEDOL Masterfile is migrating to the UnaVista platform, offering its 1,400 global customers enhanced benefits including:

  • over one million SEDOL codes for global exchange traded derivatives and fixed income products,
  • online reconciliation screens and cross-reference linkages providing database validation and mapping tools,
  • web services API capabilities for enhanced database interaction.


For further information, please contact us on +44 (0)20 7797 3009 or email mailto:sedol@londonstockexchange.com


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